The File Extensions Database


.XLS_ File Extension

  • Developer by: Microsoft Corporation
  • Category: Spreadsheet and workbook Files

What is an .XLS_ file?

.XLS_ is Microsoft Excel for Mac spreadsheet

The xls_ file extension is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more.

The .xls_ files were used in Microsoft Excel for Mac for spreadsheet files.

The default file extensions, that are used by Microsoft Excel, are XLS or since Microsoft Office 2007 the XLSX.


How to open:

Use Microsoft Excel for Mac to open *.xls_ spreadsheet files.

How to convert:

Excel and other programs are able to export *.xls_ files to other formats.

How to solve problems with XLS_ files

  • Associate the XLS_ file extension with the correct application. On :
    Windows: Right click on any XLS_ file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.XLS_ files". Mac: Right click (or Ctrl-click) the XLS_ file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .XLS_ is Microsoft Excel for Mac spreadsheet. Because only the current version supports the latest XLS_ file format. Search, therefore, e.g. on the Microsoft Corporation manufacturer website after an available .XLS_ is Microsoft Excel for Mac spreadsheet update.
  • To make sure that your XLS_ file is not corrupted or virus-infected, get the file again and scan it with antivirus software.